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/****************************************************************************
**
** Definition of TQGDict and TQGDictIterator classes
**
** Created : 920529
**
** Copyright (C) 2010 Timothy Pearson and (C) 1992-2008 Trolltech ASA.
**
** This file is part of the tools module of the TQt GUI Toolkit.
**
** This file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free TQt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
** included in the packaging of this file. Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#ifndef TQGDICT_H
#define TQGDICT_H
#ifndef TQT_H
#include "tqptrcollection.h"
#include "tqstring.h"
#endif // TQT_H
class TQGDictIterator;
class TQGDItList;
class TQBaseBucket // internal dict node
{
public:
TQPtrCollection::Item getData() { return data; }
TQPtrCollection::Item setData( TQPtrCollection::Item d ) { return data = d; }
TQBaseBucket *getNext() { return next; }
void setNext( TQBaseBucket *n) { next = n; }
protected:
TQBaseBucket( TQPtrCollection::Item d, TQBaseBucket *n ) : data(d), next(n) {}
TQPtrCollection::Item data;
TQBaseBucket *next;
};
class TQStringBucket : public TQBaseBucket
{
public:
TQStringBucket( const TQString &k, TQPtrCollection::Item d, TQBaseBucket *n )
: TQBaseBucket(d,n), key(k) {}
const TQString &getKey() const { return key; }
private:
TQString key;
};
class TQAsciiBucket : public TQBaseBucket
{
public:
TQAsciiBucket( const char *k, TQPtrCollection::Item d, TQBaseBucket *n )
: TQBaseBucket(d,n), key(k) {}
const char *getKey() const { return key; }
private:
const char *key;
};
class TQIntBucket : public TQBaseBucket
{
public:
TQIntBucket( long k, TQPtrCollection::Item d, TQBaseBucket *n )
: TQBaseBucket(d,n), key(k) {}
long getKey() const { return key; }
private:
long key;
};
class TQPtrBucket : public TQBaseBucket
{
public:
TQPtrBucket( void *k, TQPtrCollection::Item d, TQBaseBucket *n )
: TQBaseBucket(d,n), key(k) {}
void *getKey() const { return key; }
private:
void *key;
};
class TQ_EXPORT TQGDict : public TQPtrCollection // generic dictionary class
{
public:
uint count() const { return numItems; }
uint size() const { return vlen; }
TQPtrCollection::Item look_string( const TQString& key, TQPtrCollection::Item,
int );
TQPtrCollection::Item look_ascii( const char *key, TQPtrCollection::Item, int );
TQPtrCollection::Item look_int( long key, TQPtrCollection::Item, int );
TQPtrCollection::Item look_ptr( void *key, TQPtrCollection::Item, int );
#ifndef TQT_NO_DATASTREAM
TQDataStream &read( TQDataStream & );
TQDataStream &write( TQDataStream & ) const;
#endif
protected:
enum KeyType { StringKey, AsciiKey, IntKey, PtrKey };
TQGDict( uint len, KeyType kt, bool cs, bool ck );
TQGDict( const TQGDict & );
~TQGDict();
TQGDict &operator=( const TQGDict & );
bool remove_string( const TQString &key, TQPtrCollection::Item item=0 );
bool remove_ascii( const char *key, TQPtrCollection::Item item=0 );
bool remove_int( long key, TQPtrCollection::Item item=0 );
bool remove_ptr( void *key, TQPtrCollection::Item item=0 );
TQPtrCollection::Item take_string( const TQString &key );
TQPtrCollection::Item take_ascii( const char *key );
TQPtrCollection::Item take_int( long key );
TQPtrCollection::Item take_ptr( void *key );
void clear();
void resize( uint );
int hashKeyString( const TQString & );
int hashKeyAscii( const char * );
void statistics() const;
#ifndef TQT_NO_DATASTREAM
virtual TQDataStream &read( TQDataStream &, TQPtrCollection::Item & );
virtual TQDataStream &write( TQDataStream &, TQPtrCollection::Item ) const;
#endif
private:
TQBaseBucket **vec;
uint vlen;
uint numItems;
uint keytype : 2;
uint cases : 1;
uint copyk : 1;
TQGDItList *iterators;
void unlink_common( int, TQBaseBucket *, TQBaseBucket * );
TQStringBucket *unlink_string( const TQString &,
TQPtrCollection::Item item = 0 );
TQAsciiBucket *unlink_ascii( const char *, TQPtrCollection::Item item = 0 );
TQIntBucket *unlink_int( long, TQPtrCollection::Item item = 0 );
TQPtrBucket *unlink_ptr( void *, TQPtrCollection::Item item = 0 );
void init( uint, KeyType, bool, bool );
friend class TQGDictIterator;
};
class TQ_EXPORT TQGDictIterator // generic dictionary iterator
{
friend class TQGDict;
public:
TQGDictIterator( const TQGDict & );
TQGDictIterator( const TQGDictIterator & );
TQGDictIterator &operator=( const TQGDictIterator & );
~TQGDictIterator();
TQPtrCollection::Item toFirst();
TQPtrCollection::Item get() const;
TQString getKeyString() const;
const char *getKeyAscii() const;
long getKeyInt() const;
void *getKeyPtr() const;
TQPtrCollection::Item operator()();
TQPtrCollection::Item operator++();
TQPtrCollection::Item operator+=(uint);
protected:
TQGDict *dict;
private:
TQBaseBucket *curNode;
uint curIndex;
};
inline TQPtrCollection::Item TQGDictIterator::get() const
{
return curNode ? curNode->getData() : 0;
}
inline TQString TQGDictIterator::getKeyString() const
{
return curNode ? ((TQStringBucket*)curNode)->getKey() : TQString::null;
}
inline const char *TQGDictIterator::getKeyAscii() const
{
return curNode ? ((TQAsciiBucket*)curNode)->getKey() : 0;
}
inline long TQGDictIterator::getKeyInt() const
{
return curNode ? ((TQIntBucket*)curNode)->getKey() : 0;
}
inline void *TQGDictIterator::getKeyPtr() const
{
return curNode ? ((TQPtrBucket*)curNode)->getKey() : 0;
}
#endif // TQGDICT_H
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